It is well established that vehicles powered by carbon-based fuels (e.g. gasoline, diesel) have a negative impact on air quality, especially in urban centers. Traditionally, air quality conformity studies...

Research on walking, the built environment, and healthy communities is a fairly recent area of inquiry, accelerated over the last ten years by an increased interest in the relationship between urban form and...

Comprising over 9 million units in this country, suburban multifamily housing is a widespread and overlooked example of density located within walking distance to commercial development in suburbia. This report...

For a number of reasons--congestion, public health, greenhouse gas emissions, energy use, demographic shifts, and community livability to name a few--the importance of walking and bicycling as transportation...

This project will help demonstrate how sustainable ("green") streets contribute to the well-being of a community, including the physical and mental health of older and younger adults, along with the environment...

To understand the impact of daily travel on personal and societal well-being, researchers are developing measurement techniques that go beyond satisfaction-based measures of travel. Metrics related Subjective...

In this report, we present research that measures the outcomes of TOD areas in relation to their metropolitan area controls with respect to (1) jobs by sector; (2) housing choice for household types based on...

The health benefits of bicycling are well understood; numerous studies link increased cycling activity with improved health outcomes. Research suggest that the cycling behavior most likely to generate broad,...

This report aims to help policymakers and staff at all levels of government make transportation investments that serve the public better.

The older population is increasing in size in Portland, the state of Oregon, the United States, and the rest of the world. Our cities and regions are vital to the support of this demographic shift through the...